Packaging bag opening expanding structure

Abstract

The utility model belongs to the technical field of machining, and provides a packaging bag opening expanding structure which comprises a bag expanding module base and a packaging bag and is used for installing the packaging bag opening expanding structure on a packaging machine. The driving mechanism is arranged on the bag opening module base and used for assisting in opening the bag opening of the packaging bag; the clamping mechanism is arranged on the driving mechanism and used for clamping and fixing the packaging bag; a swing arm connecting rod stretches and retracts to be pushed, the optical axis can be conveniently controlled to rotate, then a clamping structure of an upper clamping jaw and a clamping jaw connecting block is matched, auxiliary opening and closing at the opening position of a packaging bag are conveniently and rapidly achieved, and therefore the purpose that the opening of the packaging bag can be driven to be opened through a push rod air cylinder and an upper clamping jaw pushing air cylinder is achieved. Therefore, the packaging bag opening expanding structure has the advantages that the number of parts is small, the service life of the packaging bag opening expanding structure is longer, and the bearing capacity is higher.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of machining, specifically a packaging bag bag opening structure. BACKGROUND

[0002] The vertical bag feeding packaging machine is a packaging equipment with high automation degree, which is mainly used for packaging various products (such as solid particles, powder, liquid, block and the like) into prefabricated packaging bags according to preset specifications, and completing subsequent processes such as sealing and cutting, and the core feature is the vertical structure and the bag feeding function, which can efficiently and accurately complete the packaging task and is widely used in food, medicine, daily chemical, chemical and other industries.

[0003] However, the existing packaging machine bag opening structure has complex components, and the operation process is relatively complex, and the components are prone to damage during long-term use, and the excessive components result in weak load bearing capacity of the bag opening structure.

[0004] Therefore, the technical personnel in the art proposes a packaging bag bag opening structure to solve the problem in the background art. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the above technical problems, the utility model provides a packaging bag bag opening structure to solve the problem of easy damage and weak load bearing capacity of the packaging machine bag opening structure in the prior art.

[0006] A packaging bag bag opening structure, comprising: a bag opening module base and a packaging bag, used for packaging bag bag opening structure installation on the packaging machine; a driving mechanism is arranged on the bag opening module base, which is used to assist the packaging bag bag opening; a clamping mechanism is arranged on the driving mechanism, which is used for packaging bag clamping and fixing.

[0007] Preferably, the driving mechanism comprises a push rod cylinder support seat fixedly arranged on the bag opening module base, and a swing arm base is fixedly arranged on both sides of the push rod cylinder support seat on the bag opening module base; a push rod cylinder is fixedly arranged on the push rod cylinder support seat.

[0008] Preferably, the driving mechanism further comprises a light shaft rotatably arranged at the end of the swing arm base, and the output end of the push rod cylinder is fixedly provided with a swing arm connecting rod, and two swing arm sliding blocks are symmetrically rotatably arranged at the end of the swing arm connecting rod; and the swing arm sliding blocks are limitingly and slidably arranged in the side wall of the light shaft.

[0009] Preferably, the clamping mechanism comprises a swing arm front end cover fixedly arranged on the optical shaft, the optical shaft is rotationally arranged with a cylinder support frame through the swing arm front end cover, and the optical shaft is rotationally arranged with an upper clamping jaw pushing cylinder through the swing arm front end cover and the cylinder support frame; and the swing arm front end cover, the cylinder support frame and the upper clamping jaw pushing cylinder are all arranged with two, which are symmetrically arranged on the two optical shafts.

[0010] Preferably, the clamping mechanism further comprises a clamping jaw connecting block fixedly arranged on the optical shaft, and a clamping jaw hinge base fixedly arranged at the end of the optical shaft; an output end of the upper clamping jaw pushing cylinder is fixedly arranged with a clamping jaw pushing rod, and the upper clamping jaw is rotationally arranged on the clamping jaw connecting block.

[0011] Compared with the prior art, the packaging bag bag opening structure has the following beneficial effects:

[0012] The packaging bag bag opening structure has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole schematic view of the packaging bag bag opening structure of the utility model;

[0014] Figure 2 It is a clamping structure view of the packaging bag of the utility model;

[0015] Figure 3 It is a packaging bag bag opening structure view of the utility model.

[0016] In the drawing:

[0017] 1, upper clamping jaw pushing cylinder; 2, cylinder support frame; 3, clamping jaw pushing rod; 4, swing arm front end cover; 5, clamping jaw connecting block; 6, clamping jaw hinge base; 7, upper clamping jaw; 8, optical shaft; 9, swing arm sliding block; 10, swing arm connecting rod; 11, swing arm base; 12, push rod cylinder; 13, push rod cylinder support seat; 14, bag supporting module base; 15, packaging bag; 16, adsorption position. DETAILED DESCRIPTION

[0018] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0019] Example one:

[0020] As shown in the accompanying Figure 1 to the accompanying Figure 3 As shown:

[0021] The utility model provides a packing bag mouth opening structure, include: support bag module base 14 and packing bag 15 for packing bag mouth opening structure install on packing machine, drive mechanism, set up in support bag module base 14, for the auxiliary packing bag 15 bag mouth opening, clamping mechanism, set up in drive mechanism, for packing bag 15 clamping fixed,

[0022] Through being provided with support bag module base 14, make push rod pneumatic cylinder 12 and swing arm base 11 etc. component convenient through support bag module base 14 fixed connection on packing machine, and swing arm connecting rod 10 is fixedly connected at push rod pneumatic cylinder 12 output end, simultaneously through upper clamping jaw pusher pneumatic cylinder 1 drive upper clamping jaw 7 cooperation clamping jaw connecting block 5 at optical axis 8 end portion, can be convenient for clamping fixed packing bag 15, make swing arm connecting rod 10 telescopic push, can be convenient for control optical axis 8 rotation, again cooperation upper clamping jaw 7 and the clamping of clamping jaw connecting block 5 structure, conveniently open the mouth of packing bag 15 and close and assist to open, to this reaches through push rod pneumatic cylinder 12 and upper clamping jaw pusher pneumatic cylinder 1 can drive the purpose of completing packing bag 15 bag mouth opening, to have the advantage of less parts use, packing bag 15 bag mouth opening structure service life is longer, and the bearing capacity is stronger.

[0023] Reference Figure 1 And Figure 3 Drive mechanism includes push rod pneumatic cylinder 12, swing arm connecting rod 10, swing arm base 11 and optical axis 8;

[0024] Through being provided with support bag module base 14, make support bag module base 14 and whole packing bag mouth opening structure can be fixedly installed on packing machine, and push rod pneumatic cylinder support base 13 is fixedly connected on support bag module base 14, make support bag module base 14 convenient through push rod pneumatic cylinder support base 13 fixed connection has push rod pneumatic cylinder 12, and swing arm connecting rod 10 is fixedly connected at push rod pneumatic cylinder 12 output end, make push rod pneumatic cylinder 12 can drive swing arm connecting rod 10 telescopic push use;

[0025] Meanwhile, two swing arm bases 11 are fixedly connected symmetrically on the bag supporting module base 14 at both sides of the push rod air cylinder 12, and a light shaft 8 is rotatably connected at the end of the swing arm base 11, and a limiting sliding groove is formed in the side wall of the light shaft 8. Secondly, two swing arm sliding blocks 9 are rotatably connected symmetrically at the end of the swing arm connecting rod 10, and the two swing arm sliding blocks 9 are respectively limitedly and slidably connected in the limiting sliding grooves in the side walls of the two light shafts 8, so that when the push rod air cylinder 12 drives the swing arm connecting rod 10 to extend and push, the two swing arm sliding blocks 9 can push the two light shafts 8 to unfold outwardly or fold inwardly in the side walls of the light shafts 8.

[0026] When the push rod air cylinder 12 controls the swing arm connecting rod 10 to extend outwardly and push, the two swing arm sliding blocks 9 slide on the two light shafts 8 respectively and push the two light shafts 8 to rotate and fold inwardly. When the push rod air cylinder 12 controls the swing arm connecting rod 10 to retract inwardly and push, the two swing arm sliding blocks 9 slide back on the two light shafts 8 respectively and push the two light shafts 8 to rotate and unfold outwardly, so as to achieve the purpose of using the push rod air cylinder 12 to control the rotation of the two light shafts 8.

[0027] Embodiment two:

[0028] Reference Figure 2 and Figure 3 The clamping mechanism includes an upper clamping jaw pushing air cylinder 1, an upper clamping jaw 7, a clamping jaw connecting block 5, and a clamping jaw hinge base 6.

[0029] The light shaft 8 is rotatably connected with the swing arm front end cover 4, and the swing arm front end cover 4 is rotatably connected with the air cylinder support frame 2, and the air cylinder support frame 2 is rotatably connected with the upper clamping jaw pushing air cylinder 1. The air cylinder support frame 2, the upper clamping jaw pushing air cylinder 1, and the swing arm front end cover 4 are all torsion spring elastic rotation structures, so that the rotation angle of the upper clamping jaw pushing air cylinder 1 and the swing arm front end cover 4 on the air cylinder support frame 2 is fixed. When the upper clamping jaw pushing air cylinder 1 and the swing arm front end cover 4 are stressed, the rotation angle of the air cylinder support frame 2 will change. When the upper clamping jaw pushing air cylinder 1 and the swing arm front end cover 4 are not stressed, the air cylinder support frame 2 will restore the initial set angle due to the elastic rotation performance. The clamping jaw pushing rod 3 is fixedly connected to the output end of the upper clamping jaw pushing air cylinder 1, and the upper clamping jaw 7 is rotatably connected to the clamping jaw pushing rod 3, so that the upper clamping jaw pushing air cylinder 1 can drive the clamping jaw pushing rod 3 and the upper clamping jaw 7 to extend and push.

[0030] Meanwhile, the clamping jaw connecting block 5 is fixedly connected to the side of the swing arm front end cover 4 on the optical axis 8, and the clamping jaw hinge base 6 is fixedly connected to the side of the end of the optical axis 8 on the side of the clamping jaw connecting block 5, and the upper clamping jaw 7 is rotatably connected to the clamping jaw hinge base 6, so that when the upper clamping jaw push cylinder 1 pushes the clamping jaw push rod 3 to extend and retract, the clamping jaw push rod 3 drives the upper clamping jaw 7 to rotate on the clamping jaw hinge base 6, so that the upper clamping jaw 7 and the clamping jaw connecting block 5 form a clamping and loosening form;

[0031] When the upper clamping jaw push cylinder 1 pushes the clamping jaw push rod 3 to extend outward, the clamping jaw push rod 3 drives the upper clamping jaw 7 to rotate on the clamping jaw hinge base 6, so that the upper clamping jaw 7 and the clamping jaw connecting block 5 form a clamping form, so as to facilitate the two clamping jaw connecting blocks 5 and the upper clamping jaw 7 to clamp and fix the packaging bag 15. When the clamping jaw push rod 3 pushes the clamping jaw push rod 3 to retract inward, the clamping jaw push rod 3 also drives the upper clamping jaw 7 to rotate on the clamping jaw hinge base 6, so that the upper clamping jaw 7 and the clamping jaw connecting block 5 are loosened and clamped, so that the clamping jaw connecting block 5 and the upper clamping jaw 7 are in an open state, so as to loosen the clamping and fixing of the packaging bag 15, or to place the packaging bag 15 between the clamping jaw connecting block 5 and the upper clamping jaw 7, ready for clamping and fixing.

[0032] Working principle: through setting up the bag supporting module base 14, the push rod air cylinder 12 and the swing arm base 11 are conveniently fixedly connected on the packaging machine through the bag supporting module base 14, and the swing arm connecting rod 10 is fixedly connected at the output end of the push rod air cylinder 12, the light shaft 8 is rotatably connected at the end of the swing arm base 11, the upper clamping jaw 7 is rotatably connected on the light shaft 8, and the clamping jaw connecting block 5 is fixedly connected; when it is needed to clamp the packaging bag 15, the swing arm connecting rod 10 is first driven to retract by the push rod air cylinder 12, the two swing arm sliders 9 slide back on the two light shafts 8 respectively, and the two light shafts 8 are pushed to rotate and unfold to the outside, then the clamping jaw pushing rod 3 is retracted by the upper clamping jaw pushing air cylinder 1, the upper clamping jaw 7 is rotated on the clamping jaw hinge base 6, the upper clamping jaw 7 is loosened from the clamping jaw connecting block 5 at one end, so that the upper clamping jaw 7 and the clamping jaw connecting block 5 are in an open state, then the packaging bag 15 is placed between the two clamping jaw connecting blocks 5 and the upper clamping jaw 7, then the clamping jaw pushing rod 3 is pushed out by the upper clamping jaw pushing air cylinder 1, the upper clamping jaw 7 is rotated on the clamping jaw hinge base 6, and the upper clamping jaw 7 is clamped from the clamping jaw connecting block 5 at one end, so that the two clamping jaw connecting blocks 5 and the upper clamping jaw 7 clamp and fix the packaging bag 15, finally the push rod air cylinder 12 is driven to push out, the two swing arm sliders 9 slide out on the two light shafts 8 respectively, and the two light shafts 8 are pushed to rotate and fold to the inside, so that the distance between the two ends of the opening side of the packaging bag 15 is shortened, at the same time the vacuum suction cups on the two sides of the packaging bag 15 are respectively adsorbed on the adsorption positions 16 on the two sides of the packaging bag 15, so that the purpose of opening the packaging bag 15 is achieved, and the upper clamping jaw pushing air cylinder 1 and the push rod air cylinder 12 are only driving components, and the load bearing components are the upper clamping jaw 7, the clamping jaw connecting block 5, the light shaft 8 and the swing arm base 11, which have the advantage of stronger load bearing capacity.

[0033] The embodiments of the utility model are given for example and description, although the embodiments of the utility model have been shown and described above, it is understood that the above-mentioned embodiments are exemplary, and cannot be understood as the limitation of the utility model, and the ordinary skilled person in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

[0034] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0035] Secondly: the utility model discloses the embodiment in the drawing, only relate to the structure with the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

[0036] Finally: the above only for the preferred embodiment of the utility model has, and does not for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model;

[0037] The above are the preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application, therefore: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the scope of protection of the present application.

Claims

1. A bag opening structure of a packaging bag, characterized by comprising: The utility model relates to a bag opening supporting structure for packaging bag, which comprises a bag opening supporting module base (14) and a packaging bag (15), wherein the bag opening supporting module base (14) is arranged on a packaging machine, a driving mechanism is arranged on the bag opening supporting module base (14) to assist in opening the packaging bag (15), and a clamping mechanism is arranged on the driving mechanism to clamp and fix the packaging bag (15). The driving mechanism comprises a push rod cylinder support seat (13) fixedly arranged on the bag opening supporting module base (14), and a swing arm base (11) is fixedly arranged on both sides of the push rod cylinder support seat (13) on the bag opening supporting module base (14). The push rod cylinder support seat (13) is fixedly provided with a push rod cylinder (12). The driving mechanism further comprises an optical shaft (8) rotatably arranged at the end of the swing arm base (11), the output end of the push rod cylinder (12) is fixedly provided with a swing arm connecting rod (10), and the end of the swing arm connecting rod (10) is symmetrically rotatably provided with two swing arm sliding blocks (9).

2. The bag opening structure according to claim 1, wherein: The swing arm sliding blocks (9) are limitingly and slidably arranged in the side wall of the optical shaft (8). The clamping mechanism comprises a swing arm front end cover (4) fixedly arranged on the optical shaft (8), the optical shaft (8) is rotatably arranged with a cylinder support frame (2) through the swing arm front end cover (4), and the optical shaft (8) is rotatably arranged with an upper clamping jaw pushing cylinder (1) through the swing arm front end cover (4) and the cylinder support frame (2).

3. The bag opening structure according to claim 2, wherein: The swing arm front end cover (4), the cylinder support frame (2) and the upper clamping jaw pushing cylinder (1) are all provided with two swing arm front end covers (4) fixedly arranged on the two optical shafts (8). The clamping mechanism further comprises a clamping jaw connecting block (5) fixedly arranged on the optical shaft (8), and the end of the optical shaft (8) is fixedly provided with a clamping jaw hinge base (6).

4. The bag opening structure according to claim 1, wherein: The output end of the upper clamping jaw pushing cylinder (1) is fixedly provided with a clamping jaw pushing rod (3), the clamping jaw pushing rod (3) is rotatably provided with an upper clamping jaw (7), and the upper clamping jaw (7) is rotatably arranged on the clamping jaw hinge base (6). ​ 5. The bag opening structure according to claim 4, wherein: ​ ​

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